Biggr vs TANREN
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Biggr
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Biggr is a training log focused on strength training, with support for bodyweight and cardio. Input is simple, history is easy to read, and progress is clear to see. β Key features β’ Fast, intuitive logging β’ Activity history showing when you trained β’ Total volume tracking to visualize progress β’ Exercise search and suggestions to save time β’ iCloud backup/sync to keep data safe β Recommended for β’ Anyone focused on strength training β’ Those who also log bodyweight or cardio β’ People who review habits through activity history β’ Lifters who track total volume
TANREN
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TANREN is a simple workout log that helps you record your training quickly and stay focused on consistency. Use it for strength training, running, stretching, gym workouts, or your own custom routines. For each exercise, you can customize what you track, such as weight, reps, distance, time, or any other metric that fits your workout. When you finish a set, just check it off. Your daily workout history is organized by date, so you can easily look back and see when you trained, what you did, and how much you completed. What you can do with TANREN: β’ Log workouts by date β’ Record weight, reps, and other set details β’ Customize units for each exercise β’ Track progress with simple completion checks β’ View and edit past workouts β’ Keep training with a clean, easy-to-use interface When logging feels easy, training becomes easier to keep up. Build todayβs set with TANREN.
Screenshots
Verdict
The clearest difference is in-app purchases: Biggr at none against TANREN's 1. TANREN's advantage is update cadence (every 2 days vs every 4 days). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. TANREN sells 1 one-off in-app purchase. Biggr asks for nothing beyond the download.
Biggr ships an update every 4 days, TANREN every 2 days. Both last shipped on October 25, 2026.
| Parameter | Biggr | TANREN |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days | Every 2 days β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad β better | iPhone |
| Requires iOS | 18 | 17.0 β better |
| Further details β not scored | ||
| Size | 15 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Takanori Hirohashi | Ryota Kumagawa |
In-app purchases
Biggr
No in-app purchases
TANREN
- Plusγγ©γ³$5.99









